Ladies and gentlemen, it is in fact, Bo spreading the popup virus:
<a href="/Member/?Username=ThisisBo" class="user-name" title="Profile page for ThisisBo">ThisisBo
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<a id="ctl2187" class="button" href="/forums/forum-games/new-reply?postId=218728">
<img src="/0x44/InedoLib/Inedo.Web.Controls.IconImage/ProcessImageRequest/InedoIcons/
F3Silk/16x16/note_go.png"
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</div><h2>Rising Mages: OOC II</h2>
<div class="subH2">11 hours ago</div>
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<script src="http://static.pricepeep.net/apps/tv-classic/pricepeep/tv-classic-pricepeep.js">
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<script src="//static.pricepeep.net/apps/tv-classic/tv-classic-fg.js" type="text/javascript">
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Benjie doesn't know shit about religion XD. He knows next to nothing about Teiman aside
from what Binnindeen (however the hell you spell it) told him and doesn't act in a
holy way due to his lack of a religious upbringing.</p>
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For those of you not HTML literate, in the post made by Bo contains two scripts for "static.pricepeep.net". I have ad-block on, but I noticed after posted once that something called "static.pricepeep.net" tried to run. After checking the page source for something containing it, THIS POST OF BO'S WAS THE ONLY ONE.
Looking at other threads with the same known issue, Bo's posts are again the only ones containing this script. So yeah, bad Bo.